Since 2015, the genus Eisenia is regarded as a synonym of Ecklonia, as the type species is excluded.
- Type locality: Isla Guadelupe, México.
- Holotype: H.L. Mason No. 5; April; "Brought up from deep water by the ship's anchor.". CAS 173700.
- Setchell, W.A. & Gardner, N.L. 1930. Marine algae of the Revillagigedo Islands Expedition in 1925. Proceedings of the California Academy of Science, Series 4 19: 109–215, Plates 4–15. BHL Reference page. : 145–146, pl. 14: fig. 45.
- Guiry, M.D. & Guiry, G.M. 2017. Eisenia masonii. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Accessed 13 04 2017.